Simple Definition of know–it–all
: a person who talks and behaves like someone who knows everything
Full Definition of know–it–all
: one who claims to know everything; also : one who disdains advice
First Known Use of know–it–all
Rhymes with know–it–all
above all, aerosol, after all, alcohol, all in all, altar call, barbital, basketball, body wall, borough hall, buckyball, butanol, butterball, buttonball, cannonball, carryall, caterwaul, cattle call, Chinese wall, city hall, climbing wall, conference call, cortisol, cover-all, coverall, crystal ball, curtain call, Demerol, disenthrall, Donegal, entresol, ethanol, evenfall, free-for-all, gasohol, girasole, gopher ball, Grand Guignol, haute école, hiring hall, judgment call, knuckleball, Komsomol, matzo ball, Mendenhall, methanol, music hall, Montreal, Nembutal, off-the-wall, overall, overcall, overhaul, paddleball, parasol, party wall, Pentothal, preinstall, protocol, racquetball, Seconal, Senegal, shopping mall, study hall, tattersall, tetherball, therewithal, timolol, uninstall, urban sprawl, volleyball, wailing wall, wake-up call, wall-to-wall, warts-and-all, waterfall, wherewithal
KNOW–IT–ALL Defined for Kids
Definition of know–it–all
: a person who always claims to know everything
Learn More about know–it–all
Spanish Central: Translation of "know–it–all"
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